don't even think they touched the header for that, i'll try and look up what i hadRedlinekid_04 said:They probobly did intake, full exhaust ,and ecu. They are probobly giving the crank hp,so that would be feasible. With the scdyne header custom exhaust intake and an ecu upgrade we should be around there.
how'd you know that? according to the people at sema it was as stated above, but any official info regarding that would be helpfullSPLREDLINE said:Well what they did is some light head work and some ecu upgrade with larger injectors and a pully. Hope this helps.